2525358881 has 4 divisors (see below), whose sum is σ = 2542083264. Its totient is φ = 2508634500.

The previous prime is 2525358791. The next prime is 2525358931. The reversal of 2525358881 is 1888535252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525358881 is a prime.

It is a super-2 number, since 2×2525358881² = 12754874955691144322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525352881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8361965 + ... + 8362266.

It is an arithmetic number, because the mean of its divisors is an integer number (635520816).

Almost surely, 2^2525358881 is an apocalyptic number.

It is an amenable number.

2525358881 is a deficient number, since it is larger than the sum of its proper divisors (16724383).

2525358881 is a wasteful number, since it uses less digits than its factorization.

2525358881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16724382.

The product of its digits is 768000, while the sum is 47.

The square root of 2525358881 is about 50252.9489781446. The cubic root of 2525358881 is about 1361.7823518748.

The spelling of 2525358881 in words is "two billion, five hundred twenty-five million, three hundred fifty-eight thousand, eight hundred eighty-one".